Home / 28,901.64-43,340.22-9,174.90

Finding the Fourth Proportional to 28,901.64, 43,340.22 and 9,174.90

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Solution

The fourth proportional to 28,901.64, 43,340.22 and 9,174.90 is: 13,758.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,901.64 : 43,340.22 = 9,174.90 : x
  2. Step 2: Convert to fraction form
    28,901.64/43,340.22 = 9,174.90/x
  3. Step 3: Cross multiply
    28,901.64x = 43,340.22 × 9,174.90
  4. Step 4: Simplify right side
    28,901.64x = 397,642,184.48
  5. Step 5: Solve for x
    x = 397,642,184.48/28,901.64
  6. Step 6: Final answer
    x = 13,758.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.